Mandibular cortical width measurement based on dental panoramic radiographs with computer-aided system

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AJICT Volume 7 Issue 1 2013
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Published: 2013-02-05
DOI: https://doi.org/10.5130/ajict.v7i1.1326
Keywords:
dental panoramic tomogram, cortical width, edges extraction, segmentation

Main Article Content

Przemysław Maćkowiak
Poznan University of Technology
Tomasz Kulczyk
University of Medical Sciences
Elżbieta Kaczmarek
Poznan Univeristy of Medical Sciences

Abstract

The paper presents a method of the determining a mandibular cortical width on dental panoramic radiographs. Cortical width of lower border of mandible may potentially be associated with recognition of osteoporosis in postmenopausal women. An algorithm to perform a semiautomatic cortical width measurement in a given region of interest was developed. The algorithm is based on separate extraction of lower and upper boundaries of cortical bone. Results of boundaries extraction performed on 34 panoramic radiographs of healthy and osteoporotic individuals are presented, together with automatic measurements of particular distances. They were compared with results of hand-made measurements done by two maxillofacial radiologists. Presented algorithm may potentially be useful for screening patients with osteoporosis.

Article Details

Issue

Vol. 7 No. 1 (2013)

Section

BioInformatics and e-Technologies
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Author Biographies

Przemysław Maćkowiak, Poznan University of Technology

Poznań University of Technology Faculty of Electronics and Telecommunications Chair of Multimedia Telecommunications and Microelectronics

Tomasz Kulczyk, University of Medical Sciences

Head of Section of Dental Radiology at Department of Biomaterials and Experimental Dentistry of University of Medical Sciences in Poznan

Elżbieta Kaczmarek, Poznan Univeristy of Medical Sciences

Department of Pathology

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